EP2489766A2 - All steel trimming - Google Patents

All steel trimming Download PDF

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Publication number
EP2489766A2
EP2489766A2 EP12000874A EP12000874A EP2489766A2 EP 2489766 A2 EP2489766 A2 EP 2489766A2 EP 12000874 A EP12000874 A EP 12000874A EP 12000874 A EP12000874 A EP 12000874A EP 2489766 A2 EP2489766 A2 EP 2489766A2
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EP
European Patent Office
Prior art keywords
clothing
wire
clothing wire
angle
steel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP12000874A
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German (de)
French (fr)
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EP2489766A3 (en
EP2489766B1 (en
Inventor
Josef Iten
Felix Hasler
Nikolaos Pavlou
Peter Dr. Artzt
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Graf und Cie AG
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Graf und Cie AG
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Publication of EP2489766A2 publication Critical patent/EP2489766A2/en
Publication of EP2489766A3 publication Critical patent/EP2489766A3/en
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Publication of EP2489766B1 publication Critical patent/EP2489766B1/en
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    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
    • D01G15/84—Card clothing; Manufacture thereof not otherwise provided for
    • D01G15/88—Card clothing; Manufacture thereof not otherwise provided for formed from metal sheets or strips

Definitions

  • the present invention relates to an all-steel clothing for rolls of openers, cleaners, carding or carding.
  • the present invention relates to a combination of two wire harnesses for use on garnished rolls in fiber processing processes.
  • the clothing wires are helical in the form of sawtooth all-steel fittings and are wound tightly against each other on the rollers. Usual forms of sawtooth all-steel fittings are given in international standard ISO5234.
  • Metallic wires according to the standard characterized by their working angle ⁇ , ⁇ her back angle at existing peak area I ⁇ its top face angle, its tooth pitch p and the tooth depth h 6, the overall height of the wire h 1, and the foot width B1.
  • the working angle ⁇ is the angle between the breast surface and the vertical axis to the wire base, wherein the breast surface has a slope with the back surface at a positive breast angle and a slope against the back surface of the tooth at a negative breast angle.
  • the tip surface angle ⁇ is the angle between the tip surface of the tooth and the wire base, the tip surface having a slope to the dorsal surface at a positive tip surface angle and a slope against the dorsal surface of the tooth at a negative tip surface angle.
  • EP 1 576 215 discloses an all-steel set, which should have good adoption properties by the selected tooth geometry and prevent clogging of the set.
  • the teeth have a tip surface, which makes them dull against impurities, which prevents the impingement of foreign parts. Due to a positive working angle, the clothing still has an aggressive nature. The disadvantage is that the fibers are drawn into the clothing due to the positive working angle.
  • the all-steel clothing consists of a first clothing wire having teeth with a negative working angle and a tip surface angle of -15 ° to + 15 ° and a second clothing wire having teeth with a positive working angle.
  • the first clothing wire and the second clothing wire are wound in an alternating sequence side by side on the roller and result in their combination the all-steel clothing.
  • the teeth of the first clothing wire have the function of holding the fibers on the surface of the all-steel clothing and of preventing the fibers from penetrating deep into the all-steel clothing. This is essentially determined by the negative working angle, thereby supporting the intended peak area.
  • the main function of the teeth of the second clothing wire is to take along the fibers, which is essentially determined by the positive working angle.
  • the second clothing wire projects beyond the tips of the teeth of the first clothing wire.
  • the second clothing wire determines the aggressiveness of the all-steel clothing through its positive working angle teeth. This can be increased by the fact that the tooth tips of the second clothing wire project beyond the tooth tips of the first clothing wire, respectively their tip surfaces.
  • the total height of the first clothing wire is smaller by 5 to 50% than the total height of the second clothing wire.
  • the total height of the first clothing wire is preferably 3 to 8 mm.
  • an overall height of the first wire of 4.5 mm has been found to be particularly suitable.
  • For the processing of long staple fibers an overall height of the first wire of 7.5 mm is to be preferred.
  • the first clothing wire is similar to a diamond tip wire according to ISO standard 5234 but designed with a negative working angle.
  • the negative working angle prevents penetration of the fibers into the clothing and the tip surface allows the fibers to slide off.
  • the lace surface holds the fibers to the surface of the all-steel garnish and prevents penetration of the fibers into the garniture.
  • the tooth pitch of the first clothing wire is greater than the tooth pitch of the second clothing wire.
  • the lengths of the tip areas are co-determined in the first clothing wire.
  • the length of the tip surface is at least 25% of the tooth pitch to achieve the effect of a fiber guide.
  • the length of the tip surface is 50% of the tooth pitch.
  • the length of a peak area increases with increasing pitch. Tooth pitches of 2 to 10 mm have proven particularly suitable for the first clothing wire.
  • the tooth pitch of the second Garniturdrahtes the number of mainly responsible for the fiber transfer peaks increased. This contributes to an increased fiber take-up and allows a high throughput of the corresponding roller.
  • the tip surface angle of the first clothing wire is -5 ° to + 5 °. In a particularly preferred embodiment, the tip surface angle is 0 °, which is equivalent to a tip surface applied parallel to the wire base.
  • the back angles of the first and second clothing wires are the same size. Back angles of 30 to 50 °, in particular 40 °, have proven to be suitable.
  • the distance between the individual tooth tips is determined in the longitudinal direction of the clothing wires by the tooth pitch and in the transverse direction by the foot width of the clothing wire. It has proved to be advantageous if the foot width of the first clothing wire corresponds to the foot width of the second clothing wire.
  • the preferred foot width is 0.5 to 1.5 mm, more preferably 1.0 mm.
  • the all-steel clothing is particularly suitable for licker-in of cotton carding or wool carding.
  • the all-steel clothing is provided on the licker-in roller such that the first clothing wire and the second clothing wire are spirally wound adjacent to each other and alternately.
  • only every third clothing wire can correspond to a first clothing wire on the roller, so that a first clothing wire follows in each case on two adjacent second clothing wires.
  • the first and second clothing wires can be made with normal, locked or interlinked feet to allow mounting on a smooth roller.
  • FIG. 1 shows a schematic representation of an embodiment of a first clothing wire 20 in a view and a cross section at the point XX. It is a sawtooth wire with the teeth 21 with a total height h 1 1 of 4.5 mm and a tooth depth h 6 1 of 2.5 mm.
  • the teeth 21 of the clothing wire 20 are shaped such that a tip surface 24 is formed.
  • the tip surface 24 is designed to incline to the back surface 23 of the tooth 21, creating a positive tip surface angle ⁇ 1.
  • the breast surface 22 of the tooth 21 tilts against its back surface 23, forming a negative working angle ⁇ 1.
  • the teeth 21 of the first clothing wire 20 have a negative working angle ⁇ 1 of 5 ° and a back angle ⁇ 1 of 40 °.
  • the foot width b1 of the first clothing wire 20 is 1.0 mm.
  • the tooth pitch p1 is 4.2 mm.
  • the teeth 21 have a tip surface 24 with a length l1 of 1.3 mm.
  • the tip surface 24 is slightly inclined with a positive tip surface angle ⁇ 1 of + 5 °.
  • Characteristic of the first clothing wire 20 are the negative working angle ⁇ 1 and the tooth shape with a formed tip surface 24, which is guided in its length l1 over at least 25% of the tooth pitch p1.
  • FIG. 2 shows a schematic representation of an embodiment of a second clothing wire 30 in a view and a cross section at the point YY.
  • This is a sawtooth wire with a breast surface 32 and a back surface 33.
  • the breast surface 32 of the tooth 31 tilts with the back surface 33, forming a positive working angle ⁇ 2.
  • the teeth 31 are made in a pointed shape without a tip surface.
  • the sawtooth wire with the teeth 31 has a total height h 1 2 of 5.0 mm and a tooth depth h 6 2 of 2.7 mm.
  • the teeth 31 of the second clothing wire 30 have a positive working angle ⁇ 2 of 10 ° and a back angle ⁇ 2 of 40 °.
  • the foot width b2 of the second clothing wire 30 is 1.0 mm and the pitch p2 is 2.6 mm. Characteristic of the second clothing wire 30 are the pointed tooth shape and the positive working angle ⁇ 2. The teeth 31 may be provided at their top with a side cut.
  • FIG. 3 shows a schematic representation of an embodiment of an all-steel clothing 10 with a first clothing wire 20 with the teeth 21 and a second clothing wire 30 with the teeth 31 in a longitudinal view.
  • the different total height h 1 1 and h 1 2 of the clothing wires 20, 30 can be seen.
  • the teeth 31 of the second clothing wire 30 project beyond the teeth 21 of the first clothing wire 20.
  • FIGS. 4a-4c show a schematic representation of a cross section of an all-steel garnish at the point ZZ of FIG. 3 in different embodiments.
  • a first clothing wire 20 having a foot width b1 and a second clothing wire 30 having a foot width b2 are shown lying side by side.
  • FIG. 4a For example, an all-steel garnish in one embodiment is shown with a normal flat foot.
  • This embodiment of the all-steel garniture corresponds to the design used as standard in machines for fiber processing processes.
  • FIG. 4b shows an embodiment of a Ganzstahlgarnitur with a chained foot, which is used for example in openers.
  • Figure 4c shows an embodiment of the all-steel clothing with a locked foot, which is used for example in cleaners.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Abstract

The trimmer has trimming wire having teeth (21) at a negative operating angle, a back angle and a top surface having a tip surface angle. Another trimming wire includes teeth (31) at a positive operating angle and a back angle. The former teeth include the top surface angle that ranges from -15 degrees to +15 degrees, and a height (h1a) of the former trimming wire is smaller than 5 to 50 percent of height (h2b) of the latter trimmer wire. The teeth of the former wire include a pitch greater than that of the teeth of the latter wire, and a pitch of the trimmer wires ranges from 2 to 10 mm.

Description

Die vorliegende Erfindung betrifft eine Ganzstahlgarnitur für Walzen von Öffnern, Reinigern, Karden oder Krempeln.The present invention relates to an all-steel clothing for rolls of openers, cleaners, carding or carding.

Ganzstahlgarnituren werden in verschiedenen Bereichen der Verarbeitung von textilen Fasern eingesetzt. Die vorliegende Erfindung betrifft eine Kombination von zwei Garniturdrähten zum Einsatz auf garnierten Walzen in Faserverarbeitungsprozessen. Die Garniturdrähte sind in Form von Sägezahn-Ganzstahlgarnituren wendelförmig und eng aneinander anliegend auf die Walzen gewickelt. Übliche Formen der Sägezahn-Ganzstahlgarnituren sind in der internationalen Norm ISO5234 angegeben. Ganzstahlgarnituren werden nach der Norm charakterisiert durch ihren Arbeitswinkel α, ihren Rückenwinkel γ, bei vorhandener Spitzenfläche I ihren Spitzenflächenwinkel η, ihre Zahnteilung p sowie die Zahntiefe h6, die Gesamthöhe des Drahtes h1 und die Fussbreite b1. Der Arbeitswinkel α ist der Winkel zwischen der Brustfläche und der Vertikalachse zur Drahtbasis, wobei die Brustfläche bei einem positiven Brustwinkel eine Neigung mit der Rückenfläche und bei einem negativen Brustwinkel eine Neigung gegen die Rückenfläche des Zahns aufweist. Der Spitzenflächenwinkel η ist der Winkel zwischen der Spitzenfläche des Zahns und der Drahtbasis, wobei die Spitzenfläche bei einem positiven Spitzenflächenwinkel eine Neigung zur Rückenfläche und bei einem negativen Spitzenflächenwinkel eine Neigung gegen die Rückenfläche des Zahns aufweist.Steel wire cloths are used in various areas of textile fiber processing. The present invention relates to a combination of two wire harnesses for use on garnished rolls in fiber processing processes. The clothing wires are helical in the form of sawtooth all-steel fittings and are wound tightly against each other on the rollers. Usual forms of sawtooth all-steel fittings are given in international standard ISO5234. Are metallic wires according to the standard characterized by their working angle α, γ her back angle at existing peak area I η its top face angle, its tooth pitch p and the tooth depth h 6, the overall height of the wire h 1, and the foot width B1. The working angle α is the angle between the breast surface and the vertical axis to the wire base, wherein the breast surface has a slope with the back surface at a positive breast angle and a slope against the back surface of the tooth at a negative breast angle. The tip surface angle η is the angle between the tip surface of the tooth and the wire base, the tip surface having a slope to the dorsal surface at a positive tip surface angle and a slope against the dorsal surface of the tooth at a negative tip surface angle.

In den Faserverarbeitungsprozessen wie Öffnen und Reinigen von Fasern oder Faserflocken werden an die eingesetzten Ganzstahlgarnituren hohe Anforderungen gestellt bezüglich der Übertragungsrate. Um eine hohe Übertragungsrate erreichen zu können, ist eine gute Faserübernahme durch nachfolgende Walzen zu gewährleisten. Die Fasern werden aktiv durch die Zahnbrust der einzelnen Zähne übernommen. Die Zahnbrust entspricht der Vorderseite eines Zahns. Umso grösser nun der Arbeitswinkel ist, desto aggressiver wirkt die Garnitur und die Übernahme der Fasern wird gesteigert. Eine zunehmende Aggressivität hat jedoch den Nachteil, dass die Fasern in die Garnitur hineingezogen werden.In the fiber processing processes, such as opening and cleaning of fibers or fiber flakes, high demands are placed on the used steel wire clothings with regard to the transfer rate. To be able to achieve a high transmission rate, good fiber takeover by subsequent rolls must be ensured. The fibers are actively taken over by the tooth face of each tooth. The tooth face corresponds to the front of a tooth. The larger the working angle, the more aggressive the garnish and the takeover of the fibers is increased. Increasing aggressiveness, however, has the disadvantage that the fibers are drawn into the clothing.

In der EP 1 576 215 wird eine Ganzstahlgarnitur offenbart, die durch die gewählte Zahngeometrie gute Übernahmeeigenschaften aufweisen soll und ein Zusetzen der Garnitur verhindern soll. Die Zähne weisen eine Spitzenfläche auf, wodurch sie gegenüber Verunreinigungen stumpf wirken, was das Aufspiessen von Fremdteilen verhindert. Durch einen positiven Arbeitswinkel weist die Garnitur trotzdem eine Aggressivität auf. Der Nachteil ist, dass durch den positiven Arbeitswinkel auch die Fasern in die Garnitur hineingezogen werden.In the EP 1 576 215 discloses an all-steel set, which should have good adoption properties by the selected tooth geometry and prevent clogging of the set. The teeth have a tip surface, which makes them dull against impurities, which prevents the impingement of foreign parts. Due to a positive working angle, the clothing still has an aggressive nature. The disadvantage is that the fibers are drawn into the clothing due to the positive working angle.

Es ist die Aufgabe der Erfindung eine Ganzstahlgarnitur zu schaffen, die einerseits über die für die Faserübernahme nötige Aggressivität verfügt und andererseits die Fasern auf der Oberfläche der Garnitur entlang führt, um ein Eindringen der Fasern in die Garnitur zu vermeiden.It is the object of the invention to provide an all-steel garnish, on the one hand has the necessary for the fiber takeover aggressiveness and on the other hand, the fibers on the surface of the clothing along to avoid penetration of the fibers in the clothing.

Die Aufgabe wird gelöst durch die Merkmale im kennzeichnenden Teil der unabhängigen Ansprüche.The object is solved by the features in the characterizing part of the independent claims.

Zur Lösung der Aufgabe wird eine Ganzstahlgarnitur für Walzen zur Faserverarbereitung in Öffnern, Reinigern, Karden oder Krempeln vorgeschlagen. Die Ganzstahlgarnitur besteht aus einem ersten Garniturdraht, welcher Zähne mit einem negativen Arbeitswinkel und einem Spitzenflächenwinkel von -15° bis +15° aufweist und einem zweiten Garniturdraht, welcher Zähne mit einem positiven Arbeitswinkel aufweist.To solve the problem an all-steel set for rolls for Faserverarbereitung in openers, cleaners, carding or carding is proposed. The all-steel clothing consists of a first clothing wire having teeth with a negative working angle and a tip surface angle of -15 ° to + 15 ° and a second clothing wire having teeth with a positive working angle.

Der erste Garniturdraht und der zweite Garniturdraht werden in abwechselnder Folge nebeneinander auf die Walze aufgezogen und ergeben in ihrer Kombination die Ganzstahlgarnitur. Dabei haben die Zähne des ersten Garniturdrahtes die Funktion die Fasern an der Oberfläche der Ganzstahlgarnitur zu halten und zu vermeiden, dass die fasern tief in die Ganzstahlgarnitur eindringen. Dies wird im wesentlichen durch den negativen Arbeitswinkel bestimmt, unterstützend wirkt dabei die vorgesehene Spitzenfläche. Die Hauptfunktion der Zähne des zweiten Garniturdrahtes indessen ist es die Fasern mitzunehmen, was im wesentlichen durch den positiven Arbeitswinkel bestimmt wird. Durch die Kombination der beiden Garniturdrähte wird der Effekt erreicht, dass trotz aggressiven Verhaltens, mit einhergehender guter Faserübertragungsrate, der Ganzstahlgarnitur die Fasern nicht in die Ganzstahlgarnitur eindringen und in Folge dessen ein Zusetzen der Ganzstahlgarnitur vermieden werden kann.The first clothing wire and the second clothing wire are wound in an alternating sequence side by side on the roller and result in their combination the all-steel clothing. In doing so, the teeth of the first clothing wire have the function of holding the fibers on the surface of the all-steel clothing and of preventing the fibers from penetrating deep into the all-steel clothing. This is essentially determined by the negative working angle, thereby supporting the intended peak area. However, the main function of the teeth of the second clothing wire is to take along the fibers, which is essentially determined by the positive working angle. The combination of the two clothing wires, the effect is achieved that despite aggressive behavior, with a concomitant good fiber transfer rate, the All-steel set the fibers do not penetrate into the all-steel set and as a result, a clogging of the all-steel set can be avoided.

In einer bevorzugten Ausführung überragt der zweite Garniturdraht mit den Spitzen seiner Zähne den ersten Garniturdraht. Der zweite Garniturdraht bestimmt durch seine mit einem positiven Arbeitswinkel versehenen Zähne die Aggressivität der Ganzstahlgarnitur. Dies kann dadurch gesteigert werden, dass die Zahnspitzen des zweiten Garniturdrahtes über die Zahnspitzen des ersten Garniturdrahtes respektive deren Spitzenflächen hinausragen. Die Gesamthöhe des ersten Garniturdrahtes ist um 5 bis 50% kleiner als die Gesamthöhe des zweiten Garniturdrahtes. Vorteilsweise ist die Gesamthöhe des ersten Garniturdrahtes 10 bis 30%, besonders bevorzugt 15% kleiner als die Gesamthöhe des zweiten Garniturdrahtes. Die Gesamthöhe des ersten Garniturdrahtes beträgt bevorzugterweise 3 bis 8 mm. Für die Bearbeitung von Kurzstapelfasern hat sich eine Gesamthöhe des ersten Garniturdrahtes von 4,5 mm als besonders geeignet herausgestellt. Für die Bearbeitung von Langstapelfasern ist eine Gesamthöhe des ersten Garniturdrahtes von 7,5 mm zu bevorzugen.In a preferred embodiment, the second clothing wire projects beyond the tips of the teeth of the first clothing wire. The second clothing wire determines the aggressiveness of the all-steel clothing through its positive working angle teeth. This can be increased by the fact that the tooth tips of the second clothing wire project beyond the tooth tips of the first clothing wire, respectively their tip surfaces. The total height of the first clothing wire is smaller by 5 to 50% than the total height of the second clothing wire. Advantageously, the total height of the first clothing wire 10 to 30%, more preferably 15% smaller than the total height of the second clothing wire. The total height of the first clothing wire is preferably 3 to 8 mm. For the processing of short staple fibers, an overall height of the first wire of 4.5 mm has been found to be particularly suitable. For the processing of long staple fibers an overall height of the first wire of 7.5 mm is to be preferred.

Der erste Garniturdraht ist ähnlich einem Diamantspitzendraht nach der ISO-Norm 5234, jedoch mit einem negativen Arbeitswinkel ausgeführt. Der negative Arbeitswinkel verhindert ein Eindringen der Fasern in die Garnitur und die Spitzenfläche ermöglicht ein Abgleiten der Fasern. Durch die Spitzenfläche werden die Fasern an der Oberfläche der Ganzstahlgarnitur gehalten und ein Eindringen der Fasern in die Garnitur vermieden.The first clothing wire is similar to a diamond tip wire according to ISO standard 5234 but designed with a negative working angle. The negative working angle prevents penetration of the fibers into the clothing and the tip surface allows the fibers to slide off. The lace surface holds the fibers to the surface of the all-steel garnish and prevents penetration of the fibers into the garniture.

In einer bevorzugten Ausführung ist die Zahnteilung des ersten Garniturdrahtes grösser als die Zahnteilung des zweiten Garniturdrahtes. Durch die Zahnteilung werden beim ersten Garniturdraht die Längen der Spitzenflächen mitbestimmt. Die Länge der Spitzenfläche beträgt mindestens 25% der Zahnteilung um den Effekt einer Faserführung zu erreichen. Bevorzugterweise beträgt die Länge der Spitzenfläche 50% der Zahnteilung. Die Länge einer Spitzenfläche steigt mit der Erhöhung der Zahnteilung. Als besonders geeignet haben sich Zahnteilungen von 2 bis 10 mm für den ersten Garniturdraht herausgestellt. Dagegen wird durch eine Verkleinerung der Zahnteilung des zweiten Garniturdrahtes die Anzahl der für die Faserübernahme hauptsächlich verantwortlichen Spitzen vergrössert. Dies trägt zu einer erhöhten Faserübernahme bei und erlaubt einen hohen Durchsatz an der entsprechenden Walze.In a preferred embodiment, the tooth pitch of the first clothing wire is greater than the tooth pitch of the second clothing wire. By the tooth pitch, the lengths of the tip areas are co-determined in the first clothing wire. The length of the tip surface is at least 25% of the tooth pitch to achieve the effect of a fiber guide. Preferably, the length of the tip surface is 50% of the tooth pitch. The length of a peak area increases with increasing pitch. Tooth pitches of 2 to 10 mm have proven particularly suitable for the first clothing wire. In contrast, by a reduction of the tooth pitch of the second Garniturdrahtes the number of mainly responsible for the fiber transfer peaks increased. This contributes to an increased fiber take-up and allows a high throughput of the corresponding roller.

In einer bevorzugten Ausführungsform ist der Spitzenflächenwinkel des ersten Garniturdrahtes -5° bis +5°. In einer besonders bevorzugten Ausführungsform ist der Spitzenflächenwinkel 0°, was gleichbedeutend ist mit einer parallel zur Drahtbasis angelegten Spitzenfläche.In a preferred embodiment, the tip surface angle of the first clothing wire is -5 ° to + 5 °. In a particularly preferred embodiment, the tip surface angle is 0 °, which is equivalent to a tip surface applied parallel to the wire base.

Besonders bevorzugt wird zudem, wenn die Rückenwinkel des ersten und zweiten Garniturdrahtes gleich gross sind. Als geeignet haben sich Rückenwinkel von 30 bis 50°, im besonderen 40°, herausgestellt.In addition, it is particularly preferred if the back angles of the first and second clothing wires are the same size. Back angles of 30 to 50 °, in particular 40 °, have proven to be suitable.

Der Abstand zwischen den einzelnen Zahnspitzen wird in der Längsrichtung der Garniturdrähte durch die Zahnteilung bestimmt und in der Querrichtung durch die Fussbreite des Garniturdrahtes. Als vorteilhaft hat sich erwiesen, wenn die Fussbreite des ersten Garniturdrahtes der Fussbreite des zweiten Garniturdrahtes entspricht. Die bevorzugte Fussbreite beträgt 0,5 bis 1,5 mm, besonders bevorzugt 1,0 mm.The distance between the individual tooth tips is determined in the longitudinal direction of the clothing wires by the tooth pitch and in the transverse direction by the foot width of the clothing wire. It has proved to be advantageous if the foot width of the first clothing wire corresponds to the foot width of the second clothing wire. The preferred foot width is 0.5 to 1.5 mm, more preferably 1.0 mm.

Die Ganzstahlgarnitur eignet sich im Besonderen für Vorreisser von Baumwollkarden oder Wollkrempeln. Die Ganzstahlgarnitur ist auf der Vorreisserwalze derart vorgesehen, dass der erste Garniturdraht und der zweite Garniturdraht aneinander angrenzend und abwechslungsweise spiralförmig aufgezogen sind. Um eine höhere Faserübernahmerate zu erreichen, kann auf der Walze auch nur jeder dritte Garniturdraht einem ersten Garniturdraht entsprechen, sodass jeweils auf zwei nebeneinander liegende zweite Garniturdrähte ein erster Garniturdraht folgt. Es sind auch den Anforderungen entsprechende weitere Kombinationen des ersten mit dem zweiten Garniturdraht denkbar. Der erste und der zweite Garniturdraht können mit normalem, verriegeltem oder verkettetem Fuss ausgeführt werden, um ein Aufziehen auf einer glatten Walze zu ermöglichen.The all-steel clothing is particularly suitable for licker-in of cotton carding or wool carding. The all-steel clothing is provided on the licker-in roller such that the first clothing wire and the second clothing wire are spirally wound adjacent to each other and alternately. In order to achieve a higher fiber take-up rate, only every third clothing wire can correspond to a first clothing wire on the roller, so that a first clothing wire follows in each case on two adjacent second clothing wires. There are also the requirements further combinations of the first with the second clothing wire conceivable. The first and second clothing wires can be made with normal, locked or interlinked feet to allow mounting on a smooth roller.

Im folgenden wird die Erfindung anhand einer beispielhaften Ausführungsform erklärt und durch Zeichnungen näher erläutert.

Figur 1
Schematische Darstellung einer Ausführungsform eines ersten Garniturdrahtes
Figur 2
Schematische Darstellung einer Ausführungsform eines zweiten Garniturdrahtes
Figur 3
Schematische Darstellung einer Ausführungsform einer Ganzstahlgarnitur
Figur 4a - 4c
Schematische Darstellung eines Querschnitts einer Ganzstahlgarnitur an der Stelle Z-Z der Figur 3 mit flachem, verriegeltem oder verkettetem Fuss
In the following the invention will be explained with reference to an exemplary embodiment and explained in more detail by drawings.
FIG. 1
Schematic representation of an embodiment of a first clothing wire
FIG. 2
Schematic representation of an embodiment of a second clothing wire
FIG. 3
Schematic representation of an embodiment of a Ganzstahlgarnitur
Figure 4a - 4c
Schematic representation of a cross section of an all-steel set at the point ZZ of FIG. 3 with flat, locked or interlinked foot

Figur 1 zeigt in schematischer Darstellung eine Ausführungsform eines ersten Garniturdrahtes 20 in einer Ansicht und einem Querschnitt an der Stelle X-X. Es handelt sich dabei um einen Sägezahndraht mit den Zähnen 21 mit einer Gesamthöhe h11 von 4,5 mm und einer Zahntiefe h61 von 2,5 mm. Die Zähne 21 des Garniturdrahtes 20 sind derart geformt, dass eine Spitzenfläche 24 entsteht. Die Spitzenfläche 24 ist so angelegt, dass sie sich zur Rückenfläche 23 des Zahns 21 neigt, wodurch ein positiver Spitzenflächenwinkel η1 entsteht. Die Brustfläche 22 des Zahns 21 neigt sich gegen dessen Rückenfläche 23, wodurch ein negativer Arbeitswinkel α1 gebildet wird. Die Zähne 21 des ersten Garniturdrahtes 20 weisen einen negativen Arbeitswinkel α1 von 5° und einen Rückenwinkel γ1 von 40° auf. Die Fussbreite b1 des ersten Garniturdrahtes 20 beträgt 1,0 mm. Die Zahnteilung p1 beträgt 4,2 mm. Die Zähne 21 weisen eine Spitzenfläche 24 mit einer Länge l1 von 1,3 mm auf. Die Spitzenfläche 24 ist leicht geneigt mit einem positiven Spitzenflächenwinkel η1 von +5°. Charakteristisch für den ersten Garniturdraht 20 sind der negative Arbeitswinkel α1 und die Zahnform mit einer ausgebildeten Spitzenfläche 24, welche in ihrer Länge l1 über mindestens 25% der Zahnteilung p1 geführt ist. FIG. 1 shows a schematic representation of an embodiment of a first clothing wire 20 in a view and a cross section at the point XX. It is a sawtooth wire with the teeth 21 with a total height h 1 1 of 4.5 mm and a tooth depth h 6 1 of 2.5 mm. The teeth 21 of the clothing wire 20 are shaped such that a tip surface 24 is formed. The tip surface 24 is designed to incline to the back surface 23 of the tooth 21, creating a positive tip surface angle η1. The breast surface 22 of the tooth 21 tilts against its back surface 23, forming a negative working angle α1. The teeth 21 of the first clothing wire 20 have a negative working angle α1 of 5 ° and a back angle γ1 of 40 °. The foot width b1 of the first clothing wire 20 is 1.0 mm. The tooth pitch p1 is 4.2 mm. The teeth 21 have a tip surface 24 with a length l1 of 1.3 mm. The tip surface 24 is slightly inclined with a positive tip surface angle η1 of + 5 °. Characteristic of the first clothing wire 20 are the negative working angle α1 and the tooth shape with a formed tip surface 24, which is guided in its length l1 over at least 25% of the tooth pitch p1.

Figur 2 zeigt in schematischer Darstellung eine Ausführungsform eines zweiten Garniturdrahtes 30 in einer Ansicht und einem Querschnitt an der Stelle Y-Y. Es handelt sich dabei um einen Sägezahndraht mit einer Brustfläche 32 und einer Rückenfläche 33. Die Brustfläche 32 des Zahns 31 neigt sich mit der Rückenfläche 33, wodurch ein positiver Arbeitswinkel α2 gebildet wird. Die Zähne 31 sind in einer spitzen Form ohne eine Spitzenfläche ausgeführt. Der Sägezahndraht mit den Zähnen 31 hat eine Gesamthöhe h12 von 5,0 mm und eine Zahntiefe h62 von 2,7 mm. Die Zähne 31 des zweiten Garniturdrahtes 30 weisen einen positiven Arbeitswinkel α2 von 10° und einen Rückenwinkel γ2 von 40° auf. Die Fussbreite b2 des zweiten Garniturdrahtes 30 beträgt 1,0 mm und die Zahnteilung p2 beträgt 2,6 mm. Charakteristisch für den zweiten Garniturdraht 30 sind die spitze Zahnform und der positive Arbeitswinkel α2. Die Zähne 31 können an ihrer Spitze mit einem Seitenschliff versehen sein. FIG. 2 shows a schematic representation of an embodiment of a second clothing wire 30 in a view and a cross section at the point YY. This is a sawtooth wire with a breast surface 32 and a back surface 33. The breast surface 32 of the tooth 31 tilts with the back surface 33, forming a positive working angle α2. The teeth 31 are made in a pointed shape without a tip surface. The sawtooth wire with the teeth 31 has a total height h 1 2 of 5.0 mm and a tooth depth h 6 2 of 2.7 mm. The teeth 31 of the second clothing wire 30 have a positive working angle α2 of 10 ° and a back angle γ2 of 40 °. The foot width b2 of the second clothing wire 30 is 1.0 mm and the pitch p2 is 2.6 mm. Characteristic of the second clothing wire 30 are the pointed tooth shape and the positive working angle α2. The teeth 31 may be provided at their top with a side cut.

Figur 3 zeigt in schematischer Darstellung eine Ausführungsform einer Ganzstahlgarnitur 10 mit einem ersten Garniturdraht 20 mit den Zähnen 21 und einem zweiten Garniturdraht 30 mit den Zähnen 31 in einer Längsansicht. In der Längsansicht ist die unterschiedliche Gesamthöhe h11 und h12 der Garniturdrähte 20, 30 ersichtlich. Die Zähne 31 des zweiten Garniturdrahtes 30 überragen dabei die Zähne 21 des ersten Garniturdrahtes 20. FIG. 3 shows a schematic representation of an embodiment of an all-steel clothing 10 with a first clothing wire 20 with the teeth 21 and a second clothing wire 30 with the teeth 31 in a longitudinal view. In the longitudinal view, the different total height h 1 1 and h 1 2 of the clothing wires 20, 30 can be seen. The teeth 31 of the second clothing wire 30 project beyond the teeth 21 of the first clothing wire 20.

Die Figuren 4a - 4c zeigen in schematischer Darstellung einen Querschnitt einer Ganzstahlgarnitur an der Stelle Z-Z der Figur 3 in verschiedenen Ausführungsformen. Dabei sind in allen Ausführungsformen ein erster Garniturdraht 20 mit einer Fussbreite b1 und ein zweiter Garniturdraht 30 mit einer Fussbreite b2 nebeneinander liegend dargestellt. In Figur 4a ist eine Ganzstahlgarnitur in einer Ausführungsform mit einem normalen flachen Fuss dargestellt. Diese Ausführungsform der Ganzstahlgarnitur entspricht der in Maschinen für Faserverarbeitungsprozesse standardmässig eingesetzten Bauform. Figur 4b zeigt eine Ausführungsform einer Ganzstahlgarnitur mit einem verketteten Fuss, welche beispielsweise in Öffnern eingesetzt wird. Figur 4c zeigt eine Ausführungsform der Ganzstahlgarnitur mit einem verriegelten Fuss, welche beispielsweise in Reinigern eingesetzt wird.The FIGS. 4a-4c show a schematic representation of a cross section of an all-steel garnish at the point ZZ of FIG. 3 in different embodiments. In all embodiments, a first clothing wire 20 having a foot width b1 and a second clothing wire 30 having a foot width b2 are shown lying side by side. In FIG. 4a For example, an all-steel garnish in one embodiment is shown with a normal flat foot. This embodiment of the all-steel garniture corresponds to the design used as standard in machines for fiber processing processes. FIG. 4b shows an embodiment of a Ganzstahlgarnitur with a chained foot, which is used for example in openers. Figure 4c shows an embodiment of the all-steel clothing with a locked foot, which is used for example in cleaners.

LegendeLegend

1010
GanzstahlgarniturMetallic wire
2020
Erster GarniturdrahtFirst clothing wire
2121
Zahn des ersten GarniturdrahtesTooth of the first clothing wire
2222
Brustfläche des Zahns des ersten GarniturdrahtesBreast surface of the tooth of the first garment wire
2323
Rückenfläche des Zahns des ersten GarniturdrahtesBack surface of the tooth of the first clothing wire
2424
Spitzenfläche des Zahns des ersten GarniturdrahtesTip surface of the tooth of the first clothing wire
α1α1
Arbeitswinkel des ersten GarniturdrahtesWorking angle of the first clothing wire
γ1γ1
Rückenwinkel des ersten GarniturdrahtesBack angle of the first clothing wire
l1l1
Länge der SpitzenflächeLength of the top surface
η1η1
SpitzenflächenwinkelTop face angle
h61h 6 1
Zahntiefe des ersten GarniturdrahtesTooth depth of the first clothing wire
h11h 1 1
Gesamthöhe des ersten GarniturdrahtesTotal height of the first clothing wire
p1p1
Zahnteilung des ersten GarniturdrahtesTooth pitch of the first clothing wire
b1b1
Fussbreite des ersten GarniturdrahtesFoot width of the first clothing wire
3030
Zweiter GarniturdrahtSecond clothing wire
3131
Zahn des zweiten GarniturdrahtesTooth of the second clothing wire
3232
Brustfläche des Zahns des zweiten GarniturdrahtesBreast surface of the tooth of the second clothing wire
3333
Rückenfläche des Zahns des zweiten GarniturdrahtesBack surface of the tooth of the second clothing wire
α 2α 2
Arbeitswinkel des zweiten GarniturdrahtesWorking angle of the second clothing wire
γ2γ2
Rückenwinkel des zweiten GarniturdrahtesBack angle of the second clothing wire
h62h 6 2
Zahntiefe des zweiten GarniturdrahtesTooth depth of the second clothing wire
h12h 1 2
Gesamthöhe des zweiten GarniturdrahtesTotal height of the second clothing wire
p2p2
Zahnteilung des zweiten GarniturdrahtesTooth pitch of the second clothing wire
b2b2
Fussbreite des zweiten GarniturdrahtesFoot width of the second clothing wire

Claims (11)

Ganzstahlgarnitur (10) für Walzen zur Faserverarbeitung in Öffnern, Reinigern, Karden oder Krempel bestehend aus einem ersten Garniturdraht (20), welcher Zähne (21) mit einem Arbeitswinkel (α1), einem Rückenwinkel (γ1) und einer Spitzenfläche (24) mit einem Spitzenflächenwinkel (η1) aufweist, und einem zweiten Garniturdraht (30), welcher Zähne (31) mit einem Arbeitswinkel (α2) und einem Rückenwinkel (γ2) aufweist, dadurch gekennzeichnet, dass die Zähne (21) des ersten Garniturdrahtes (20) einen negativen Arbeitswinkel (α1) und einen Spitzenflächenwinkel (η1) von -15° bis +15° und die Zähne (31) des zweiten Garniturdrahtes (30) einen positiven Arbeitswinkel (α2) aufweisen.All-steel set (10) for rolls for fiber processing in openers, cleaners, cards or cards consisting of a first clothing wire (20), which teeth (21) with a working angle (α1), a back angle (γ1) and a tip surface (24) with a Tip surface angle (η1), and a second clothing wire (30) having teeth (31) with a working angle (α2) and a back angle (γ2), characterized in that the teeth (21) of the first clothing wire (20) have a negative Working angle (α1) and a tip surface angle (η1) of -15 ° to + 15 ° and the teeth (31) of the second clothing wire (30) have a positive working angle (α2). Ganzstahlgarnitur (10) nach Anspruch 1, dadurch gekennzeichnet, dass der erste Garniturdraht (20) eine Gesamthöhe (h11) aufweist, welche um 5 bis 50% kleiner ist als eine Gesamthöhe (h12) des zweiten Garniturdrahtes (30).An all-steel clothing (10) according to claim 1, characterized in that the first clothing wire (20) has an overall height (h 1 1) which is smaller by 5 to 50% than a total height (h 1 2) of the second clothing wire (30). Ganzstahlgarnitur (10) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Spitzenflächenwinkel (η1) des ersten Garniturträgers (20) zwischen -5° und +5° beträgt.An all-steel assembly (10) according to claim 1 or 2, characterized in that the tip surface angle (η1) of the first clothing carrier (20) is between -5 ° and + 5 °. Ganzstahlgarnitur (10) nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass eine Gesamthöhe (h11) des ersten Garniturdrahtes (20) 3 bis 8 mm beträgt.All steel set (10) according to one of the preceding claims, characterized in that an overall height (h 1 1) of the first clothing wire (20) is 3 to 8 mm. Ganzstahlgarnitur (10) nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der erste Garniturdraht (20) eine grössere Zahnteilung (p1) als der zweite Garniturdraht (30) aufweist.All-steel set (10) according to one of the preceding claims, characterized in that the first clothing wire (20) has a larger pitch (p1) than the second clothing wire (30). Ganzstahlgarnitur (10) nach Anspruch 5, dadurch gekennzeichnet, dass die Zahnteilung (p1) des ersten Garniturdrahtes (20) 2 bis 10 mm beträgt.All-steel set (10) according to claim 5, characterized in that the pitch (p1) of the first clothing wire (20) is 2 to 10 mm. Ganzstahlgarnitur (10) nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der erste Garniturdraht (20) eine Spitzenfläche (24) mit einer Länge (l1) von wenigstens 25% der Zahnteilung (p1) aufweist.The all-steel garniture (10) according to one of the preceding claims, characterized in that the first garniture wire (20) has a tip surface (24) with a length (l1) of at least 25% of the pitch (p1). Ganzstahlgarnitur (10) nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der erste und der zweite Garniturdraht (20, 30) einen gleich grossen Rückenwinkel (γ1, γ2) aufweisen.All-steel clothing (10) according to one of the preceding claims, characterized in that the first and the second clothing wire (20, 30) have an equal back angle (γ1, γ2). Ganzstahlgarnitur (10) nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass eine Fussbreiten (b1, b2) des ersten Garniturdrahtes (20) und des zweiten Garniturdrahtes (30) gleich sind.All-steel set (10) according to one of the preceding claims, characterized in that a foot widths (b1, b2) of the first clothing wire (20) and of the second clothing wire (30) are the same. Vorreisser mit mindestens einer Walze, dadurch gekennzeichnet, dass eine Ganzstahlgarnitur (10) nach einem der Ansprüche 1 bis 8 auf der Walze aufgezogen ist.Licker-in with at least one roller, characterized in that an all-steel clothing (10) according to one of claims 1 to 8 is mounted on the roller. Vorreisser nach Anspruch 10, dadurch gekennzeichnet, dass der erste Garniturdraht (20) und der zweite Garniturdraht (30) aneinander angrenzend und abwechslungsweise auf der Walze aufgezogen sind.Licker-in according to claim 10, characterized in that the first clothing wire (20) and the second clothing wire (30) are mounted adjacent to each other and alternately on the roller.
EP12000874.3A 2011-02-18 2012-02-10 All steel trimming Not-in-force EP2489766B1 (en)

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EP3473754A1 (en) * 2017-10-20 2019-04-24 Groz-Beckert KG Card wire

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CN102653892A (en) 2012-09-05
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ES2573752T3 (en) 2016-06-09
EP2489766B1 (en) 2016-02-10
CN102653892B (en) 2016-12-14

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